document.write( "Question 489543: A square has a perimeter of 80 cm. What is the area of the square? \n" ); document.write( "
Algebra.Com's Answer #333694 by dan_math(11)![]() ![]() ![]() You can put this solution on YOUR website! Perimeter of a square with the sides equal x is 4x; also the value for it it's given as 80, so 4x = 80 , x=20 \n" ); document.write( "Area of a square is x*x or x^2. using the value for the side we calculated earlier , will have A = 20^2 = 400 \n" ); document.write( " |